Fix #3683: sphinx.websupport module is not provided by default

CHANGES

@@ -25,6 +25,7 @@ Bugs fixed
 * The ``make latexpdf`` from 1.6b1 (for GNU/Linux and Mac OS, using
   ``latexmk``) aborted earlier in case of LaTeX errors than was the case with
   1.5 series, due to hard-coded usage of ``--halt-on-error`` option. (refs #3695)
+* #3683: sphinx.websupport module is not provided by default
 
 Testing
 --------

setup.py

@@ -53,6 +53,7 @@ requires = [
     'requests>=2.0.0',
     'typing',
     'setuptools',
+    'sphinxcontrib-websupport',
 ]
 extras_require = {
     # Environment Marker works for wheel 0.24 or later
@@ -60,7 +61,8 @@ extras_require = {
         'colorama>=0.3.5',
     ],
     'websupport': [
-        'sphinxcontrib-websupport',
+        'sqlalchemy>=0.9',
+        'whoosh>=2.0',
     ],
     'test': [
         'pytest',

test-reqs.txt

@@ -10,7 +10,6 @@ snowballstemmer>=1.1
 babel
 alabaster
 sphinx_rtd_theme
-sphinxcontrib-websupport
 imagesize
 requests
 html5lib

tox.ini

@@ -9,7 +9,6 @@ deps=
     mock
     enum34
     typing
-    sphinxcontrib-websupport
 setenv =
     SPHINX_TEST_TEMPDIR = {envdir}/testbuild
     PYTHONDONTWRITEBYTECODE = true